4444544454444 has 48 divisors (see below), whose sum is σ = 11557085685600. Its totient is φ = 1477118619648.

The previous prime is 4444544454443. The next prime is 4444544454491.

It is a happy number.

4444544454444 is a `hidden beast` number, since 4 + 4 + 4 + 4 + 54 + 4 + 4 + 544 + 44 = 666.

4444544454444 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4444544454443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61021749 + ... + 61094540.

It is an arithmetic number, because the mean of its divisors is an integer number (240772618450).

Almost surely, 2^{4444544454444} is an apocalyptic number.

It is an amenable number.

4444544454444 is an abundant number, since it is smaller than the sum of its proper divisors (7112541231156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4444544454444 is a wasteful number, since it uses less digits than its factorization.

4444544454444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122116639 (or 122116631 counting only the distinct ones).

The product of its digits is 104857600, while the sum is 54.

The spelling of 4444544454444 in words is "four trillion, four hundred forty-four billion, five hundred forty-four million, four hundred fifty-four thousand, four hundred forty-four".